JBL S120PII service manual Class D Driver PCB Small Upright PCB on Amp PCB

Page 15

S120PII Studio Series

Part Number

Qty

Description

 

Reference Designator

 

 

 

 

 

Semiconductors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

051-000600-100

1

Transistor NPN

MPSW06RLRA TO-92 TAPING

Q6

 

 

 

 

 

051-005600-100

1

Transistor NPN

MPSW56RLRA MPQ TO-92 TAPING

Q8

 

 

 

 

 

051-290700-100

4

Transistor

P2N2907A TO-92 TAPING

Q12,14,16,18

 

 

 

 

 

051-540101-000

1

Transistor PNP

2N5401 TO-92 TAPING

Q3

 

 

 

 

 

051-640000-100

4

MOSFET N-Channel

IRF640 TO-220

Q11,13,15,17

 

 

 

 

 

052-400080-000

1

Diode Bridge

PN:RS804 400V,8A

BR1

 

 

 

 

 

053-257400-100

1

IC;DIP 8P LM2574 HVN-15V

0.5A Step-Down Voltage Regulator

U6

 

 

 

 

 

054-000100-100

6

SMD DIODE

ES1D 200V,1A,35ns TAPING

D1,23,37,40,44,47

 

 

 

 

 

054-001002-100

1

SMD ZENER DIODE

10V SOT-23 BZX84C10 TAPING

D32

 

 

 

 

 

054-001501-100

2

SMD ZENER DIODE

15V SOT-23 BZX84C15 TAPING

D2,3

 

 

 

 

 

054-033904-100

3

SMD TR (MOTOROLA)

MMBT3904LT1 SOT23 TAPING

Q25,28,29

 

 

 

 

 

054-033906-100

3

SMD TR (MOTOROLA)

MMBT3906LT1 SOT23 TAPING

Q26,27,30

 

 

 

 

 

054-050601-100

1

SMD ZENER DIODE

5.6V SOT-23 BZX84C5V6 TAPING

D30

 

 

 

 

 

054-414803-100

14

SMD diode

LL4148 TAPING

D4-6,13,14,21,22,31,33,34,

 

 

 

 

38,41,45,48

054-540100-100

1

SMD PNP transistor

MMBT5401 LT1 TAPING

Q1

 

 

 

 

 

054-555100-100

1

SMD NPN Transistor

MMBT5551 LT1 TAPING

Q2

 

 

 

 

 

 

 

 

 

 

Miscellaneous

 

 

 

 

 

 

 

 

 

072-040039-000

1

Terminal (PCB TYPE)

PC205 (t=0.8m/m) T205MA

T2

 

 

 

 

 

072-040064-000

2

Terminal (PCB TYPE)

PC250(t=0.8),T250MA

T1,TER6

 

 

 

 

 

072-040096-000

2

Terminal T187MA(PCB TYPE)

(t=0.8mm) PC187(0.8)

TER5,TER7

 

 

 

 

 

072-040250-000

1

Connector

7 PIN JS-1001-7 P:2.5mm

P1

 

 

 

 

 

073-111003-000

1

Shorting strap

54.9x13.6x1m/m

J7

 

 

 

 

 

073-111004-000

2

Shorting strap

29.5x12.4x0.8m/m

J4,9

 

 

 

 

 

074-300018-000

1

Relay

PN:943-1C-48D

RLY1

 

 

 

 

 

043-300101-000

2

Inductor

30uH YT-10033

L9,10

 

 

 

 

 

043-560200-000

1

Inductor

56uH YT-10779

L12

 

 

 

 

 

043-700100-000

1

Inductor

70uHx2 YT-10024

L8

 

 

 

 

 

043-820300-000

1

Inductor

820uH YT-10034

L1

 

 

 

 

 

044-100100-000

2

SMD Ferrite bead

PN:321611 600R/100MHz 1206

FB1,FB2

 

 

 

 

 

 

 

 

 

 

CLASS D DRIVER PCB (Small Upright PCB on Amp PCB)

 

 

 

 

 

 

Resistors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

024-000098-120

4

SMD resistor

0R 1/8W J 0805 TAPING

R313,314,318,320

 

 

 

 

 

024-100298-120

4

SMD resistor

10R 1/8W J 0805 TAPING

R89,90,140,150

 

 

 

 

 

024-100498-120

10

SMD resistor

1K 1/8W J 0805 TAPING

R81,85,96,97,131,137,142,

 

 

 

 

147,162,179

024-100598-120

12

SMD resistor

10K 1/8W J 0805 TAPING

R75,82,83,92,98,132,133,

 

 

 

 

148,163,164,181,156

14

Image 15
Contents Woodbury, New York Rev3 2/2006 S120PIIContents S120PII Studio Series Efficiency E a K E R C O N N E C T I O N ¡ £ BassQ Jacks E R a T I O N B L E S H O O T I N G Service Bulletin S120PII Studio Series S120PII S120PII Test Set Up and Procedure Amplifier PCB 1K 1W J FK TypeTH1 Class D Driver PCB Small Upright PCB on Amp PCB PNMPS2222ARLRA TO-92 Taping Icdip PNIR2111 HALF-BRIDGE DriverSMD IC TL072CDR SO-8 TI Taping 8W F Taping Pre/Input PCBPIN2 PIN1CONN3 Toggle Switch PCBPhone Jack PCB DTC114EK SMT3 TapingControl Pot PCB Fuse PCBMiscellaneous SW4 LED Assy On the CabinetS120PII Studio Series S120PII Studio Series S120PII Studio Series S120PII Studio Series S120PII Studio Series S120PII Studio Series S120PII Studio Series S120PII
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Manual 8 pages 17.48 Kb

S120PII specifications

The JBL S120PII is a powerful and versatile subwoofer designed to deliver an exceptional audio experience for both music enthusiasts and movie lovers. With its cutting-edge technology and impressive specifications, it stands out as a reliable choice for enhancing the low-frequency sound in home audio setups.

One of the main features of the JBL S120PII is its large 12-inch cone driver, which delivers deep and impactful bass. This driver is engineered to provide enhanced sound reproduction, allowing users to feel the rhythm and power of their favorite tracks. With a frequency response that ranges from 29 Hz to 150 Hz, the S120PII effectively handles the low-end frequencies that are crucial for an immersive listening experience.

The subwoofer is equipped with a robust built-in amplifier that boasts an impressive power output of 300 watts RMS and peaks at 600 watts. This amplification ensures that the subwoofer can deliver consistent and powerful bass even during intense audio playback. The amplifier also features advanced signal processing capabilities, allowing the S120PII to adapt to various room environments and optimize sound performance.

Another key characteristic of the JBL S120PII is its sophisticated enclosure design. The subwoofer is housed in a tuned port cabinet that minimizes distortion and maximizes airflow, resulting in clean and accurate bass reproduction. This design not only enhances the overall sound quality but also adds aesthetic appeal, making it a stylish addition to any home theater or audio setup.

Connectivity options are another highlight of the S120PII. It features both line-level and speaker-level inputs, allowing for easy integration with different audio systems. The subwoofer is compatible with various receivers and amplifiers, making it a versatile choice for home theater enthusiasts.

JBL is known for its commitment to durability and quality, and the S120PII is no exception. The robust construction ensures longevity and resilience, making this subwoofer a lasting investment for any audio lover.

In conclusion, the JBL S120PII subwoofer is a solid choice for those seeking superior bass performance and versatility. With its powerful driver, advanced amplifier, and sleek design, it is well-suited for enhancing both music and movie soundscapes, delivering an unforgettable listening experience.